Fri Jul 01 2022

60 articles - From Friday Jun 24 2022 to Friday Jul 01 2022

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Guidelines

Guidelines, position statements, white papers, technical reviews, consensus statements, etc…


Meta-analysis

meta-analyses and systematic reviews


Original articles

RCT, clinical trials, retrospective studies, etc…

Am J Kidney Dis

Vaccine Attitudes and COVID-19 Vaccine Intention Among Parents of Children With Kidney Disease or Primary Hypertension.

Two-thirds of parents of children with kidney disease or hypertension were unsure or unwilling to vaccinate their child against COVID-19. Higher hesitancy towards routine childhood and influenza vaccination was associated with hesitancy towards COVID-19 vaccines.. Enhanced communication of vaccine information relevant to kidney patients in an accessible manner should be examined as a means to reduce vaccine hesitancy.

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Clin J Am Soc Nephrol

Immune Responses after a Third Dose of mRNA Vaccine Differ in Virus-Naive versus SARS-CoV-2-Recovered Dialysis Patients.

The third dose of mRNA vaccine given within 6 months after the second dose boosts serologic and memory response in virus-naive patients but not in SARS-CoV-2-recovered patients on dialysis. Clinical trial registry name and registration number COVID-19 SARS-CoV-2 Specific Memory B and T-CD4+ Cells (MEMO-COV2), NCT04402892.

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The Pathophysiology of Sepsis-Associated AKI.

Here, we summarize recent laboratory and clinical studies, focusing on critical factors in the pathophysiology of sepsis-associated AKI: microcirculatory dysfunction, inflammation, NOD-like receptor protein 3 inflammasome, microRNAs, extracellular vesicles, autophagy and efferocytosis, inflammatory reflex pathway, vitamin D, and metabolic reprogramming. Lastly, identifying these molecular targets and defining clinical subphenotypes will permit precision approaches in the prevention and treatment of sepsis-associated AKI.

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Urine Output Monitoring for the Diagnosis of Early-Onset Acute Kidney Injury in Very Preterm Infants.

Early-onset AKI was diagnosed on the basis of urine output exclusively for a quarter of the cases. Furthermore, modified AKI definitions that included higher urine output improved the discriminative performance for predicting mortality.

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Clin Kidney J

A real-world study on SGLT2 inhibitors and diabetic kidney disease progression.

This real-world study demonstrates the benefits of SGLT2is on CKD progression and ESKD. The effect is more pronounced in moderate to advanced CKD patients.

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Association of metabolic acidosis with fractures, falls, protein-calorie malnutrition and failure to thrive in patients with chronic kidney disease.

The presence and severity of metabolic acidosis was a significant, independent risk factor for failure to thrive, protein-calorie malnutrition and fall or fracture in this large community cohort of patients with stage 3-5 CKD.

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Association of obesity with 3-month mortality in kidney failure patients with COVID-19.

In KFRT patients with COVID-19, on dialysis or a kidney transplant, obesity is associated with an increased risk of mortality at 3 months. This is in contrast to the obesity paradox generally observed in dialysis patients. Additional studies are required to corroborate the sex difference in the association of obesity with mortality.

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Cystatin C-based estimated GFR performs best in identifying individuals with poorer survival in an unselected Chinese population: results from the China Health and Retirement Longitudinal Study (CHARLS).

Participants with complete data in 2011 and survival follow-up in 2013, 2015 and 2018 were included and analyzed in three separate cohorts, which included 8160, 8154 and 8020 participants, respectively. Logistic regression analyses, receiver operating characteristic curve, continuous net reclassification improvement (NRI) and integrated discrimination improvement (IDI) were computed to compare the discriminative power of eGFR derived by abbreviated Modification of Diet in Renal Disease (MDRD), Chinese coefficient-modified MDRD (MDRD-CN), Japanese coefficient-modified MDRD (MDRD-JPN), CKD-EPI equation showed the best discriminative power.

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Decreased chronic kidney disease in rheumatoid arthritis in the era of biologic disease-modifying anti-rheumatic drugs.

Controlling inflammation contributes to the inhibition of CKD progression in RA patients.

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Epidemiology of native kidney disease in Flanders: results from the FCGG kidney biopsy registry.

The FCGG registry, with its 'double diagnostic coding' strategy, provides useful population-based epidemiological data on a large Western European population and allows subgroup selection for future research.

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Evidence of chronic kidney injury in patients not meeting KDIGO criteria for chronic kidney disease.

However, tools to predict albuminuria development and to identify those subjects who will benefit most from intervention are limited. Recent data have identified urine molecular changes within the normoalbuminuria condition, consisting of an altered urinary peptidome, proteome and metabolome, which represent subclinical organ damage and processes such as inflammation, oxidative stress, tricarboxylic acids cycle deregulation, impaired fatty acids ß-oxidation or defective tubular reabsorption.

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Histologic characterization and risk factors for persistent albuminuria in adolescents in a region of highly prevalent end-stage renal failure of unknown origin.

The prevalence of persistent albuminuria in adolescents in Aguascalientes is high and histologic compromise is characterized by podocyte injury in the absence of fibrosis. The renal volume of persistent albuminuria patients was decreased, suggesting oligonephronia. Exposure to environmental toxins such as pesticides, even prenatally, may be responsible for this pathological entity. Screening programs in adolescents by determining ACR are necessary in this setting.

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Impact of the COVID pandemic on vascular access creation for haemodialysis in 16 Spanish haemodialysis centres.

COVID has presented a public health system crisis that has influenced VA for HD, with an increase in CVCs relative to AVFs. A decrease in HD sessions that did not reach the HD dose objective was observed in the COVID period compared with a pre-COVID period.

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Incidence of and risk factors of chronic kidney disease: results of a nationwide study in Iceland.

The annual incidence of CKD, with strict adherence to the KDIGO criteria, was <0.7% but markedly lower using age-adapted eGFR thresholds. Apart from acute kidney injury, the observed risk factors comprised chronic and potentially modifiable disorders.

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Individualized everolimus treatment for tuberous sclerosis-related angiomyolipoma promotes treatment adherence and response.

Trough levels enabled individual dose titration to maximize responsiveness and minimize side effects. The use of 3D MRI assessment of lesion volume was superior to 2D measurements of lesion diameter in monitoring treatment response.

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Monoclonal gammopathy of renal significance presenting with cryoglobulinaemia type I associated severe thrombotic microangiopathy.

A diagnosis of monoclonal gammopathy of renal significance was made. Haematological treatment resulted in haematological and renal response.

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Multiparametric magnetic resonance imaging allows non-invasive functional and structural evaluation of diabetic kidney disease.

A comprehensive and repeatable non-contrast mpMRI protocol was developed that, as a single, non-invasive tool, allows functional and structural assessment of DKD, which has the potential to provide valuable insights into underlying pathophysiology, disease progression and analysis of efficacy/mode of action of therapeutic interventions in DKD.

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Novel somatic PBX1 mosaicism likely masking syndromic CAKUT in an adult with bilateral kidney hypoplasia.

While pathogenic alterations of disease, accounting for variable expressivity on a general basis. Consequently we suggest ruling out somatic mosaicism in sporadic CAKUT, notably in attenuated and atypical clinical courses.

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Post-vaccination analysis of anti-spike antibody responses in kidney transplant recipients with and without COVID-19 infection in a tertiary care centre, India.

Our data present that in KTRs with previous SARS-CoV-2 infection, a single dose of vaccine (Covishield TM ) may be effective in mounting an optimal immune response. In contrast, COVID-19-naïve two-dose vaccinated KTRs respond poorly (<50%) to the current recommendation of a two-dose regimen in India.

Pubmed   Journal   ReadQx   PMC

Risk of outcomes in a Spanish population with chronic kidney disease.

The presence of HF among CKD patients markedly increases the risk of outcomes. CKD patients have a high risk of HF, which could be partially related to insufficient treatment.

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J Am Soc Nephrol

A Deep Learning Approach for Automated Segmentation of Kidneys and Exophytic Cysts in Individuals with Autosomal Dominant Polycystic Kidney Disease.

We developed a fully automated segmentation method to measure TKV that excludes exophytic cysts and has an accuracy similar to that of a human expert. This technique may be useful in clinical studies that require automated computation of TKV to evaluate progression of ADPKD and response to treatment.

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Kidney Int

A link between Krüppel-like factor 4, complement activation, and kidney damage.

The study included endothelial-specific KLF4 knockdown mice that mimic thrombotic microangiopathy and thrombotic microangiopathy patient biopsies showing decreased KLF4 and CD55. The results suggest that KLF4 is involved in the regulation of glomerular complement deposition.

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A tool for decision-making in kidney transplant candidates with poor prognosis to receive deceased donor transplantation in the United States.

Thus, our findings reveal that a large proportion of waitlisted patients in the United States have poor prognoses to ever undergo DDTX and our data may improve shared decision-making for candidates at time of waitlist placement. Hence, for specific patient groups, TiTER may be a useful tool to disseminate and quantify benefits of accepting relatively high risk donor organs.

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Assessing prognosis in IgA nephropathy.

An improved algorithm is now described, which allows assessing the prognosis at 1 or 2 years after biopsy. Herein, we review the strengths, limitations, and potential clinical usefulness of this new prediction tool.

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Azithromycin use increases the risk of sudden cardiac death in patients with hemodialysis-dependent kidney failure.

Azithromycin vs levofloxacin treatment was associated with lower relative and absolute risks of sudden cardiac death, weighted hazard ratio of 0.79 (0.64 to 0.96) and weighted risk difference per 100,000 treatment episodes of -18.9 (-35.5 to -3.8). Thus, when selecting among azithromycin, levofloxacin, and amoxicillin-based antibiotics, clinicians should weigh the relative antimicrobial benefits of these drugs against their potential cardiac risks.

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Expression of active B-Raf proto-oncogene in kidney collecting ducts induces cyst formation in normal mice and accelerates cyst growth in mice with polycystic kidney disease.

There were increased p-ERK levels and proliferating cells, immune cell infiltration, interstitial fibrosis, and a decline in kidney function in both these models. Thus, our findings demonstrate that active BRAF is sufficient to induce kidney cyst formation in normal mice and accelerate cystic disease in PKD mice.

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Impact of APOL1 kidney risk variants on glomerular transcriptomes.

They found the following: APOL1 gene expression was higher in individuals with APOL1 high-risk genetic status; in glomeruli, STC1, encoding stanniocalcin, was the most upregulated gene, and CCL18, encoding C-C motif chemokine ligand 18, was the most downregulated gene; and nuclear factor kappa BNF-B inhibitor-interacting Ras-like 1 (NKIRAS1) is the strongest hub gene. These findings identify disease pathways that might mediate or mitigate APOL1-associated nephropathies.

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Insulin-like growth factor binding protein 7 promotes acute kidney injury by alleviating poly ADP ribose polymerase 1 degradation.

Thus, IGFBP7 in circulation acts as a biomarker and key mediator of AKI by inhibiting RNF4/PARP1-mediated tubular injury and inflammation. Hence, over-activation of the IGFBP7/PARP1 axis represents a promising target for AKI treatment.

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Results from a national-wide retrospective cohort measure the impact of C3 and soluble C5b-9 levels on kidney outcomes in C3 glomerulopathy.

In children, only the presence of rare disease-predicting variants correlated with kidney survival. Thus, in an adult population, we propose a three-point C3G prognostic score based on biomarker profiles at risk, estimated glomerular filtration rate at presentation and genetic findings, which may help stratify adult patients into subgroups that require close monitoring and more aggressive therapy.

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Room for improvement: diagnosing and managing acute coronary syndromes in persons with reduced eGFR.

A recent analysis from the High-Sensitivity Troponin in the Evaluation of Patients With Suspected Acute Coronary Syndrome trial focused on results in those with reduced estimated glomerular filtration rate. This commentary discusses aspects of acute coronary syndrome diagnosis in this group and the differential approach to acute coronary syndrome management that was observed between those with normal and reduced kidney function.

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The proliferative and the antifibrotic side of PAX2 in tubular repair.

Expression of the paired-box transcription factor Pax2 in PTECs is required for their regenerative proliferation and repair. However, a loss-of-function study now shows that the absence of Pax2 not only impacts PTEC proliferation but also causes myofibroblast recruitment leading to excessive tubulointerstitial fibrosis.

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Nephrol Dial Transplant

Ageing meets kidney disease.

The progressive ageing of the world population contributes to the projection that CKD will become the second commonest cause of death before the end of the century in countries with long life expectancy. The current collection of selected studies on kidney disease and ageing published in Age&Ageing, NDT, and CKJ provides an overview of key topics, including cognitive decline, sarcopenia, wasting and cardiovascular and non-cardiovascular morbidity and mortality, the management of kidney failure and gender differences in CKD progression.

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Glomerular deposition of galactose-deficient IgA1-containing immune complexes via glomerular endothelial cell injuries.

Gd-IgA1-IgG ICs had a high affinity for glomerular endothelial cells, which resulted in glomerular filtration barrier dysfunction mediated by glycocalyx loss. Furthermore, Gd-IgA1-IgG ICs accelerated production of adhesion factors and proinflammatory cytokines in glomerular endothelial cells. The glomerular endothelial cell injury induced by Gd-IgA1-containing ICs may enhance the permeability of immunoglobulins in the mesangial region and subsequent inflammatory responses in the pathogenesis of IgAN.

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Issues regarding COVID-19 in kidney transplantation in the era of the omicron variant: a commentary by the era descartes working group.

Moreover, the widespread implementation of vaccination policies before and after transplantation, and the development of new prophylactic and treatment strategies for coronavirus disease 2019 (COVID-19) over the past 12-18 months, has raised several new issues concerning kidney transplant recipients. In this special report, the ERA working group DESCARTES (Developing Education Science and Care for Renal Transplantation in European States), addresses several questions related to everyday clinical practice concerning kidney transplant recipients and to the assessment of deceased and live kidney donors: what is the current risk of severe disease and of breakthrough infection, the optimal management of immunosuppression in kidney transplant recipients with COVID-19, the role of passive immunization and the efficacy of antiviral drugs in ambulatory patients, the management of drug-to-drug interactions, safety criteria for the use of SARS-CoV-2 positive donors, issues related to the use of T cell depleting agents as induction treatment, and current recommendations for shielding practices.

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Modified-release nicotinamide for the treatment of hyperphosphataemia in haemodialysis patients: 52-week efficacy and safety results of the phase III randomised controlled NOPHOS trial.

NAMR combined with phosphate binders significantly reduced serum phosphate over the first 24 weeks of treatment, but the treatment effect was not maintained up to W52. Non-compliance may have contributed to reduced long-term efficacy. Several newly identified safety signals warrant further evaluation.

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Outcome and effect of vaccination in SARS-CoV-2 Omicron infection in hemodialysis patients: a cohort study.

These data demonstrate lower incidence of SARS-CoV-2 infection after vaccination in dialysis patients during an Omicron dominant period of the epidemic. Amongst those developing infection, severe illness was less common with prior vaccination, particularly after third vaccine doses.

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Prospective associations of health literacy with clinical outcomes in adults with CKD: findings from the CRIC study.

In the CRIC Study, adults with limited (versus adequate) health literacy had a higher risk for CKD progression, cardiovascular event, hospitalization, and mortality-regardless of adjustment for potential confounders.

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The role of Dendrin in IgA Nephropathy.

Dendrin mRNA levels and relative nuclear protein concentrations are increased and associated with a more benign phenotype and progression in IgAN/IgAV patients.

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Reviews&Editorials

Plenty of the editorials are available as full text through the publisher website using the provided link

Clin J Am Soc Nephrol

Urine or You're Out? Perspectives on Urinary Output Thresholds in the Neonatal Acute Kidney Injury Definition.

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Clin Kidney J

Benchmarking CKD: incidence of CKD in a European country with low prevalence of CKD and kidney replacement therapy.

It was also one of 10 countries with an adjusted KRT prevalence 50% of the functioning kidney mass and/or wider use of albuminuria as a screening tool. The European Society of Cardiology just recommended assessing albuminuria for routine cardiovascular risk workups for all.

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Detecting, preventing and treating non-adherence to immunosuppression after kidney transplantation.

Although most of these approaches reduced MNA in the short-term, the long-term effects on MNA and, more importantly, on clinical outcomes remain unclear. In this review, we provide a critical appraisal of traditional and newer methods for detecting, preventing and treating non-adherence to immunosuppression after kidney transplantation from the perspective of the practising physician.

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Kidney-placenta crosstalk in health and disease.

Inherited kidney diseases are a special concern, given the potential for genetic predisposition to kidney disease in the foetus. Understanding the bidirectional potential for compromise from placenta to kidney and vice versa provides a better framework to limit damage to both organs and improve maternal and foetal outcomes.

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Sodium-glucose cotransporter inhibition in polycystic kidney disease: fact or fiction.

Currently, it is unclear whether ADPKD patients may benefit from SGLT2i in terms of kidney function preservation, and their safety in this population remains unexplored. We propose a roadmap to address this unmet clinical need.

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Solving the riddle of Aguascalientes nephropathy: nephron number, environmental toxins and family clustering.

represent a giant step forward. The next steps should be to screen younger children for albuminuria and kidney size and to identify the putative toxins.

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The kidney in hantavirus infection-epidemiology, virology, pathophysiology, clinical presentation, diagnosis and management.

Treatment remains primarily supportive and, depending on disease severity, more invasive measures (e. g., renal replacement therapy, mechanical ventilation and extracorporeal membrane oxygenation) are needed.

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Letters&Replies

Letters to the editors and authors’ replies

Kidney Int

Are randomized trials the best way to test different dialysis initiation regimens?

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The authors reply.

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Others

all remaining publications eg case reports, images of the month, etc…

Clin Kidney J

First case of atypical haemolytic uraemic syndrome following COVID-19 vaccination with BNT162b2.

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Hypothyroidism-induced kidney dysfunction: an under-recognized phenomenon in patients on immune checkpoint inhibitors.

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Individualizing immunosuppressive therapy decision in immunoglobulin A nephropathy and application in a Southeast Asian cohort.

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J Am Soc Nephrol

Acknowledging Socioecological Systems to Address the Systemic Racial Disparities in Children with Kidney Disease.

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Health Care Equity and Justice Scorecard To Increase Diversity in Clinical Trial Recruitment and Retention.

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Kidney Int

Acute heart failure in a kidney transplant patient.

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Armanni-Ebstein lesion in a diabetic patient with acute tubular injury.

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Crystal-induced colitis.

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Modelling AKI in vitro: taking organoids to the next level.

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Snapshots of nascent RNA can validate different nephron segment responses in acute kidney injury: A step toward clinically useful biomarkers?

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The Case | Inflammatory polyarthritis in a kidney transplant recipient.

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Vonoprazan-associated nephrotoxicity: extensive real-world evidence from spontaneous adverse drug reaction reports.

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Nat Rev Nephrol

Salt substitution: opportunities and challenges for nephrology.

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